Gas-heated radiator.



F. J. PIOCH.

GAS HEATED RADJATOR.

APPLICATION FILED IAN. 31. I9Is.

Patented Sept. 12, 1916.

WITNESSES: INVENTOR Amnnms 4 the construction and FRANK J'. JPIOCH, OFSAN FRANCISCO, CALKFOJRLIN'IA.l

GAS-HEATJED RADIATOR.

ideama.

application fuea January 31, 1916. serial na. 75,292.

To all whom it may concern:

Be it known that ll, FRANK J. P10011., a citizen of the United States,residing in the city and county of San Francisco and State ofCalifornia, have" invented new and useful Improvements in Gas-HeatedRadiators, of which the following is a specification.

' rllhis invention relates to .a gas heated radiator. j

One of the objects of the present invention is to provide a simple,eilicient, easily operated radiator adapted to be heated by a gasburner; and particularly to provide a novel damper control whereby theheat from the burner when first lighted may be directed to the dischargeflue for the purpose of heating the flue to create an induced drafttherethrough.

Another object is to provide means for reheating the products of'combustion, after passing through the radiator; and also to providemeans for evenly distributing the products of combustion throughout theradiator.

Further objects will hereinafter appear.

The invention consists of the parts and combination of parts ashereinafter more fully described and claimed, having referenceto theaccompanying drawings, in which- Figure 1 is a side elevation, partly insection. Fig. 2 is a cross (section on line 2-2 of Fig. 1. Fig. S is across section on line 3-8 of Fig. 1.

Referrin to the drawings in detail, A indicates a p urality of radiatinglues, mounted on each side of a combustion chamber 2, in which ismounted any suitable form of heater, but preferably a standard form ofblue-flame gas burner, such as shown at 3. The combustion chamber inwhich the burner is mounted is provided with a false bottom 4 whichdivides it intogtwo separate chambers, such as the upper chamber 2 and alower chamber 5. rlFhe radiating tubes A are connected at their lupperends with the upper end of chamber 2` while the lower ends are connectedwith the lower chamber 5 and are secured together in any suitable manneror by the tie-bolts 6. Each radiating tube is divided into two sections7 and 8 to permit the heat to .be distributed over as large an area aspossible when passing therethrough; `Iand means have been provided forthe purpose of equally distributing the heat passing through theradiating tubes by providing a plurality of adjustable tube sections 9at the lower ends of the radiating tubes.

The heat generated by the burner 3 rising in the upper combustionchamber 2 enters the upper ends of the radiating tubes through theconnecting passages 10. Heat,"

like most other moving bodies, naturally has a. tendency to follow thepath of least rcslstance and would, therefore, pass through the firstset of radiating tubes unless means are provided for otherwiserestricting the fiow. The adjustable tube sections 9, mounted in thelower connecting passages formed between the radiating tubes, may be sopositioned that the heat passing through the u per connecting passages10 will be equally distributed. This is accomplished byfplacing thefirst set of tube sections 9 comparatively close together, as at 11, andthe second set a little further apart, as .at 12. 1f more than threesets of radiating tubes are provided a third and fourth set of adjustingtubes might be provided. The heat entering the upper connecting passages1() and passing down through the sections 7 and 8 of the radiating tubeswill finally return through -the lower connecting passages and theadjustable tubes 9 into the lower chamber 5. rlhey are here permitted toenter what will hereinafter be termed a reheating tube 13 which connectswith a damper box 14 and the main discharge flue '15.

Iivotally mounted, ras at 16, in the forward end of th'e damper box is aloosely hung damper 17, which is adapted to be opened by means of apush-rod 18 extending through the front end of the combustion chamberand provided' with a. handle 19. The provision of the` reheating tube 13and the damper 16 is the most important feature of the presentinvention.

Heaters of the character here shown are generally provided withcomparatively small discharge flues of short length. The natural draftcreated by comparatively high discharge iues or stacks is, therefore,

pra.cticall 7 absent, and unless an induced draft is started thereinconsiderable trouble is experienced in maintaining a fire within thecombustion chamber. An induced draft is created in the present instanceby the provision ofA a. damper 17 and the operation will be as follows:A door 20, pivotally mounted, as at 21, on the forward side of thecombustion chamber and secured by means of a. spring latch 22 is firstopened and the burner 3 ignited. 'I he door is then closed and the rod18 forced in an inward direction to open the damper 17. The products ofcombustion from the burner are thus permitted to enter directly throughthe damper box into the discharge iue 15, causing this to become heatedand an induced draft to be created. The reheating tube 13 is at the sametime heated, causing an induced draft to be established at thispointwhich creates a suction through the lower connect-ing passages of theradlatmg tubes A. The moment the reheating tube 13 and the dischargeflue 1.5 have been sufficiently heated, which takes place in two orthree minutes, it is only'necessary to close the damper 17 by pullingthe rod in an outward direction. The heat from the burner will then passthrough the upper connecting passages 10, down through the radiatingtubes A, then through the lower connecting passages and adjusting tubes9 into the lower chamber 5 where they are finally permitted to escapethrough the reheating tube 13 and the damper box 14 into the dischargeHue 15. The products of combustion generated by the burner 3, whenpassing through the radiating tubes A, naturally cool down beforereaching the chamber 5, as the heat is absorbed and radiated by theradiating tubes A. The draft would, therefore, become more or lesssluggish unless reheated by passing through the tube 13 which is mounteddirectly in the combustion chamber 2. A new impetus is thus given theescaping products of combustion and a comparatively high velocity draftis maintained as long as the burner is in use. Fresh air to supportcombustion is admitted through a tube 24 extending through openingthrough the bottom of the radiator. The burner 3 is mounted directly inthis tube and is thus supplied with a continuous supply of fresh air atall times/iwhich rises with the products of combustion and passesthrough the several radiating tubes to ucts of combustion may bediverted directly to the discharge Hue when the burner isrst ignited butalso forms what may be termed a safety valve against explosion, as anyeX- 'their top with chamber 5 and chamber 2 would merely force the valve17 open and permit the force of the explosion to pass directly outthrough the discharge line. The spring latch 22 on the door is alsoprovided for tlns purpose to permit this to automatically open in caseof an explosion. One or more drain openings 25 may be formed on thelower side of the radiator t0 permit removal of any moisture which mightcollect in the radiating tubes. from time to time and any ornamentalfinish and shape may be given the radiating tubes without materiallychanging the construction here shown. The materials and finish of theseveral parts of the device may be such as the experience and judgmentof the manufacturer may dictate.

I wish it understood that various changes in form, proportions and minordetails of construction may be resorted to within the scope oftheappended claims and that I do not wish to limit myself to thespecific design and construction here shown.

I-Iaving thus described my invention, what I claim and desire to secureby Letters Patent is- 1. Ina gasheated radiator, a combustion chamberand a return chamber, a plurality of connectedr radiating tubesconnected at their upper ends with the combustion chamber and at theirlower ends with the return chamber,J said tubes being spaced from thechambers at successively increased distances, a reheating tube connectedwith the return chamber, and adjustable means in the tubes for effectingan equal distribution of the products of combustion in the tubes.

2. In a heat radiator, a combustion chamber, a draft tube passingupwardly through the chamber, a plurality of alined heat-radiating tubesconnected to one another at their top and bottom and communicating atthe combustion chamber and at their bottom with the draft tube, andmeans for equalizing the distribution of the products of combustion inthe heat-radiating tubes.

. 3. In a heat radiator, a combustion chamber, a series ofheat-radiating tubes communicating with the chamber and connected byintake passages and return passages, and alined tubular sections disosed in one set of said passages and adjustalgly related to vary thespaces intervening the tubular sections.

4. In a gas heated radiator, a combustion chamber, an underlying returnchamber parj titioned therefrom, each chamber being provided withopposing openings in the side walls, the openings in the combustionchamber being arranged adjacent the top thereof, a burner extendingabove the partition and in the front portion of the combustion chamber,a draft tube passing from the return chamber into the combustion chamberin the In testimony whereof have hereunto set rear portion of thelatter, a damper box my hand in the presence of two subscribing itmounted on the draft tube between the witnesses. burner and the openingsof said combustion l 5 chamber, a damperin the damper box, and

heat radiating tubes on each side oi the Witnesses: chambers andcommunicating with the re- V. Dos, spective openings of said chambers.LEONARD D. JONES.

FRANK J. PIOCH.

